California Department of Fish and Wildlife 20140609 vector digital data ftp://ftp.dfg.ca.gov/GIS/BIOS/Public_Datasets/1000_1099/ds1005.zip http://bios.dfg.ca.gov The northern Sierra Nevada foothills (NSNF) wildlife connectivity project modeled wildlife corridors for focal species between 271 landscape blocks within the northern Sierra Nevada foothills and neighboring ecoregions. The linkages incorporate data and information for 30 focal species, including 9 passage species (species that move through the corridor) and 21 corridor dwellers (species that may take more than one generation to move through a corridor). The linkages are made up of a least-cost corridor union and additional habitat patch information for corridor dwellers. The least-cost union is a union of the least-cost corridor analysis, based on species specific habitat models, for nine focal passage species (total number of corridors identified for each species follows the species name): black bear (47), black-tailed jackrabbit (105), bobcat (81), dusky-footed woodrat (98), gray fox (85), mountain lion (66), mule deer (134), western gray squirrel (99) and western pond turtle (84). Many species corridors were overlapping despite diverse habitat needs and the use of species specific data to build the habitat suitability models. Habitat areas for corridor dwellers, based on habitat suitability modeling and patch analysis, was added to the least-cost union: We identified all habitat patches within the corridor union, measured distance between each habitat patch to make sure it was within the maximum dispersal distance for that corridor dweller, and when needed added habitat near the corridor edge to meet the species dispersal needs. Redundant corridors were deleted to provide cleaner linkage areas. This analysis identified multiple swaths of habitat that species have the potential to reside in or move through. To ensure that ecological processes were protected in each linkage, we imposed a minimum width of 1 km for linkages. For more information see the project report at [https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=85358]. The 246 linkages represent paths for wildlife movement identified by the northern Sierra Nevada foothills wildlife connectivity project. The linkages were developed through modeling suitable habitat and conducting patch analysis for 30 focal species, as well as conducting least-cost corridor analysis for 9 focal passage species. The linkages identify the least-cost route for 9 focal passage species between blocks of protected lands (landscape blocks), and incorporate habitat patches for 21 focal corridor dwellers (species that may take more than one generation to move through a corridor). 20140609 publication date Complete As needed -122.566760 -119.547807 40.959100 36.905641 None northern Sierra Nevada foothills wildlife connectivity None California None The user accepts sole responsibility for the correct interpretation of this report and the correct use of its accompanying data sets in environmental documents. The northern Sierra Nevada foothills wildlife connectivity project linkage data delineates lands likely important to the 30 focal species movement between large, mostly protected areas across the study area. It is a decision-support tool to be refined by field work and local linkage designs. DO NOT assume that lands outside Landscape Blocks or Least-Cost Corridors or Linkages are unimportant to wildlife populations or movements. California Department of Fish and Wildlife, Data and Technology Division, Biogeographic Data Branch Melanie Gogol-Prokurat Conservation Analysis Unit Coordinator 916-324-9265 Melanie.Gogol-Prokurat@Wildlife.ca.gov Northern Sierra Nevada foothills wildlife connectivity team. Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.3.1.4959 Vector GT-polygon composed of chains 246 NAD 1983 California Teale Albers 34.0 40.5 -120.0 0.0 0.0 -4000000.0 coordinate pair 0.0001 0.0001 meter D North American 1983 GRS 1980 6378137.0 298.257222101 ds1005 OBJECTID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. Esri Coordinates defining the features. LinkageID ID number of linkage ID of the landscape blocks being connected, Block 1_Block 2 Block_1 ID number of landscape block ID of the landscape block being connected Block_2 ID number of landscape block. ID of the landscape block being connected. area_ac Area of linkage Measured in acres Length_m Length of linkage Length of linkage measured in meters pc_1km Percentage of the linkage width greater than 1 km Percentage pc_2km Percentage of the linkage width greater than 2 km Percentage BLBE Predicted suitable for Black Bear (BLBE; Ursus americanus) Suitable 1=Yes, 0=No BOBC Predicted suitable for Bobcat (BOBC; Lepus californicus) Suitable 1=Yes, 0=No BTJA Predicted suitable for Black-tailed jackrabbit (BTJA; Lynx rufus) Suitable 1=Yes, 0=No DFWO Predicted suitable for Dusky-footed woodrat (DFWO; Neotoma fuscipes) Suitable 1=Yes, 0=No GRFO Predicted suitable for Gray fox (GRFO; Urocyon cinereoargenteus) Suitable 1=Yes, 0=No MOLI Predicted suitable for Mountain lion (MOLI; Puma concolor) Suitable 1=Yes, 0=No MUDE Predicted suitable for Mule deer (MUDE; Odocoileus hemionus) Suitable 1=Yes, 0=No WGSQ Predicted suitable for Western gray squirrel (WGSQ; Sciurus griseus) Suitable 1=Yes, 0=No WPTU Predicted suitable for Western pond turtle (WPTU; Actinemys marmorata) Suitable 1=Yes, 0=No Total_crdr Total number of passage species in each linkage Count ACWO Predicted suitable for Acorn woodpecker (ACWO; Melanerpes formicivorus) Suitable 1=Yes, 0=No ARSA Predicted suitable for Arboreal salamander (ARSA; Aneides lugubris) Suitable 1=Yes, 0=No CGSQ Predicted suitable for California ground squirrel (CGSQ; Spermophilus beecheyi) Suitable 1=Yes, 0=No CKRA Predicted suitable for California kangaroo rat (CKRA; Dipodomys californicus) Suitable 1=Yes, 0=No CAQU Predicted suitable for California quail (CAQU; Callipepla californica) Suitable 1=Yes, 0=No CATH Predicted suitable for California thrasher (CATH; Toxostoma redivivum) Suitable 1=Yes, 0=No CHLI Predicted suitable for Coast horned lizard (CHLI; Phrynosoma coronatum) Suitable 1=Yes, 0=No COHA Predicted suitable for Cooper's hawk (COHA; Accipiter cooperii) Suitable 1=Yes, 0=No FYLF Predicted suitable for Foothill yellow-legged frog (FYLF; Rana boylii) Suitable 1=Yes, 0=No GOSN Predicted suitable for Gopher snake (GOSN; Pituophis catenifer) Suitable 1=Yes, 0=No HKRA Predicted suitable for Heermann's kangaroo rat (HKRA; Dipodomys heermanni) Suitable 1=Yes, 0=No LASP Predicted suitable for Lark sparrow (LASP; Chondestes grammacus) Suitable 1=Yes, 0=No LISA Predicted suitable for Limestone salamander (LISA; Hydromantes brunus) Suitable 1=Yes, 0=No MOQU Predicted suitable for Mountain quail (MOQU; Oreotyx pictus) Suitable 1=Yes, 0=No NPOW Predicted suitable for Northern pygmy owl (NPOW; Glaucidium gnoma) Suitable 1=Yes, 0=No PABA Suitble for Pallid bat (PABA; Antrozous pallidus) Suitable 1=Yes, 0=No RACE Predicted suitable for Racer (RACE; Coluber constrictor) Suitable 1=Yes, 0=No SALI Predicted suitable for Southern alligator lizard (SALI; Elgaria multicarinata) Suitable 1=Yes, 0=No SPTO Predicted suitable for Spotted towhee (SPTO; Pipilo maculatus) Suitable 1=Yes, 0=No WODU Predicted suitable for Wood duck (WODU; Aix sponsa) Suitable 1=Yes, 0=No YBMA Predicted suitable for Yellow-billed magpie (YBMA; Pica nuttalli) Suitable 1=Yes, 0=No Species_Count Total number of focal species predicted suitable in each linkage. Total Species Count Total_bird Total number of bird species predicted suitable in each linkage Count Total_maml Total number of mammal species predicted suitable in each linkage Count total_rept Total number of reptile or amphibian species predicted suitable in each linkage Count elev_mean Mean elevation of linkage Measured in meters. elev_min Minimum elevation of linkage Measured in meters. elev_max Maximum elevation of linkage Measured in meters elev_std Standard deviation of elevation of linkage Measured in meters elev_range Range of elevation of linkage Measured in meters pc_protect Percentage of the linkage protected as GAP 1, GAP2, GAP3 or conservation easements Percentage pc_gap12e Percentage of the linkage protected as GAP 1, 2 or conservation easements Percentage pc_gap3 Percentage of the linkage protected as GAP 3 Percentage pc_gap4 Percentage of the linkage protected as GAP 4 Percentage pc_priv Percentage of the linkage in private, unprotected status Percentage pc_blmacec Percentage of the linkage in BLM ACEC Percentage pc_crithab Percentage of the linkage in USFWS designated Critical Habitat for federally listed species Percentage n_crithab Number of species with critical habitat in linkage Count n_CNDDB_p Number of special status plant taxa (species or subspecies or varieties) occuring in corridor based on CNDDB and other CDFW datasets Count n_CNDDB_a Number of special status animal taxa (species or subspecies) occuring in corridor based on CNDDB and other CDFW datasets Count pc_hotspt Percentage of linkage in amphibian, reptile, mammal, or plant rarity hotspot based on ACE II Overall Endemism Hotspots Percentage pc_wtvp Pecentage of linkage in vernal pools, C.W. Witham, R.F. Holland and J. Vollmar 2013 Percentage mjrd_cross Number of major road crossing the linkage based on ESRI U.S. Major Roads Count mjrd_dens Density of major roads in the linkage based on ESRI U.S. Major Roads km per km2 n_ecoreg Number of ecoregions in the linkage based on USDA Ecoregions California07_3 Count Ecoregs List of ecoregions in the linkage based on USDA Ecoregions California07_3 List n_subsect Number of ecoregion subsections in the linkage based on USDA Ecoregions California07_3 Count Subsect List of ecoregion subsections in the linkage based on USDA Ecoregions California07_3 List n_HU Number of hydrologic units in the linkage based on HUName Calw221 Count HU_name List of hydrologic units in the linkage based on HUName Calw221 List n_counties Number of counties in the linkage Count counties List of counties in the linkage List pc_urban Percentage of linkage classified as urban based on vege_15 vegetation raster Percentage pc_chprl Percentage of linkage classified as chaparral based on vege_15 vegetation raster Percentage pc_cnfr Percentage of linkage classified as conifer based on vege_15 vegetation raster Percentage pc_ccnft Percentage of linkage classified as coastal conifer based on vege_15 vegetation raster Percentage pc_grslnd Percentage of linkage classified as grassland based on vege_15 vegetation raster Percentage pc_hrdwd Percentage of linkage classified as hardwood based on vege_15 vegetation raster Percentage pc_juniper Percentage of linkage classified as juniper based on vege_15 vegetation raster Percentage pc_mx_cnfr Percentage of linkage classified as mixed conifer based on vege_15 vegetation raster Percentage pc_oak Percentage of linkage classified as oak woodland based on vege_15 vegetation raster Percentage pc_orchard Percentage of linkage classified as orchard based on vege_15 vegetation raster Percentage pc_crop Percentage of linkage classified as crop based on vege_15 vegetation raster Percentage pc_shrub Percentage of linkage classified as shrub based on vege_15 vegetation raster Percentage pc_wet Percentage of linkage classified as water or wetland based on vege_15 vegetation raster Percentage Shape_Length Length of feature in internal units. ESRI Positive real numbers that are automatically generated. Shape_Area Area of feature in internal units squared. ESRI Positive real numbers that are automatically generated. 20160419 California Department of Fish and Wildlife, Data and Technology Division, Biogeographic Data Branch Melanie Gogol-Prokurat 916-324-9265 Melanie.Gogol-Prokurat@Wildlife.ca.gov FGDC Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998 local time